package com.atjinggu.jinggumail.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atjinggu.jinggumail.common.constant.ProductConstant;
import com.atjinggu.jinggumail.common.to.SkuHasStockVo;
import com.atjinggu.jinggumail.common.to.SkuReductionTo;
import com.atjinggu.jinggumail.common.to.SpuBoundTo;
import com.atjinggu.jinggumail.common.to.es.SkuEsModule;
import com.atjinggu.jinggumail.common.utils.R;
import com.atjinggu.jinggumail.product.entity.*;
import com.atjinggu.jinggumail.product.feign.CouponFeignService;
import com.atjinggu.jinggumail.product.feign.SearchFeignService;
import com.atjinggu.jinggumail.product.feign.WareFeignService;
import com.atjinggu.jinggumail.product.service.*;
import com.atjinggu.jinggumail.product.vo.*;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atjinggu.jinggumail.common.utils.PageUtils;
import com.atjinggu.jinggumail.common.utils.Query;

import com.atjinggu.jinggumail.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService spuImagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService productAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Autowired
    SkuInfoService skuInfoService;

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    BrandService brandService;

    @Autowired
    CategoryService categoryService;

    @Autowired
    WareFeignService  wareFeignService;
    
    @Autowired
    SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(new Query<SpuInfoEntity>().getPage(params), new QueryWrapper<SpuInfoEntity>());

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {
        //1、保存spu基本信息 pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo, infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);

        //2、保存Spu的描述图片 pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",", decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);

        //3、保存spu的图片集 pms_spu_images
        List<String> images = vo.getImages();
        spuImagesService.saveImages(infoEntity.getId(), images);

        //4、保存spu的规格参数;pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity id = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(id.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());

            return valueEntity;
        }).collect(Collectors.toList());
        productAttrValueService.saveProductAttr(collect);


        //5、保存spu的积分信息；gulimall_sms->sms_spu_bounds

        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds, spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode() != 0) {
            log.error("远程保存spu积分信息失败");
        }


        //5、保存当前spu对应的所有sku信息


        List<Skus> skus = vo.getSkus();
        if (!CollectionUtils.isEmpty(skus)) {
            skus.forEach(item -> {
                //获取默认图片
                String defaultImg = "";
                for (Images image : item.getImages()) {
                    if (image.getDefaultImg() == 1) {
                        defaultImg = image.getImgUrl();
                    }
                }
                //    private String skuName;
                //    private BigDecimal price;
                //    private String skuTitle;
                //    private String skuSubtitle;
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item, skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //5.1）、sku的基本信息；pms_sku_info
                skuInfoService.saveSkuInfo(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();

                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity -> {
                    //返回true就是需要，false就是剔除
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //5.2）、sku的图片信息；pms_sku_image
                skuImagesService.saveBatch(imagesEntities);
                //TODO 没有图片路径的无需保存

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);

                    return attrValueEntity;
                }).collect(Collectors.toList());
                //5.3）、sku的销售属性信息：pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                // //5.4）、sku的优惠、满减等信息；gulimall_sms->
                // sms_sku_ladder\sms_sku_full_reduction\sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item, skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1) {
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode() != 0) {
                        log.error("远程保存sku优惠信息失败");
                    }
                }


            });
        }


    }


    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        this.save(infoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {

        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            wrapper.and((w) -> {
                w.eq("id", key).or().like("spu_name", key);
            });
        }
        // status=1 and (id=1 or spu_name like xxx)
        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)) {
            wrapper.eq("publish_status", status);
        }

        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id", brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            wrapper.eq("catalog_id", catelogId);
        }

        /**
         * status: 2
         * key:
         * brandId: 9
         * catelogId: 225
         */

        IPage<SpuInfoEntity> page = this.page(new Query<SpuInfoEntity>().getPage(params), wrapper);

        return new PageUtils(page);
    }

    @Override
    public void up(String spuId) {
        List<SkuEsModule> modules = new ArrayList();

        //查询所有sku可以被检索的规格属性信息

        List<SkuEsModule.Attrs> attrs = null;
        //查询出spu所有规格属性。
        List<ProductAttrValueEntity> valueEntities = productAttrValueService.
                getBaseMapper().selectList(new QueryWrapper<ProductAttrValueEntity>().eq("spu_id", spuId));
        if(!CollectionUtils.isEmpty(valueEntities)){
            List<Long> attrIds = valueEntities.stream().map(item -> item.getAttrId()).collect(Collectors.toList());
            List<AttrEntity> entities1 = attrService.getBaseMapper().selectList(new QueryWrapper<AttrEntity>().in("attr_id", attrIds).and(item -> item.eq("search_type", 1)));
            if(!CollectionUtils.isEmpty(entities1)) {
                List<Long> collects = entities1.stream().map(item -> item.getAttrId()).collect(Collectors.toList());
                //使用set去重
                Set<Long> set = new HashSet(collects);
                attrs = valueEntities.stream().filter(value -> set.contains(value.getAttrId())).map(value -> {
                    SkuEsModule.Attrs attr = new SkuEsModule.Attrs();
                    BeanUtils.copyProperties(value, attr);
                    return attr;
                }).collect(Collectors.toList());
            }

        }
        //1.根据spuId，查询所有对应的sku信息，品牌名字
        List<SkuInfoEntity>  entities =  skuInfoService.getSkusBySpuId(spuId);

        List<Long> skuIds = entities.stream().map(item -> item.getSkuId()).collect(Collectors.toList());
        //远程调用库存系统给，查看是否有库存
        Map<Long, Boolean> map = null;
        try {
            R r = wareFeignService.getSkusHasStock(skuIds);
            List<SkuHasStockVo> list =  r.getData(new TypeReference<List<SkuHasStockVo>>(){});
            //将list转为map
             map = list.stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, a -> a.getHasStock()));
        }catch (Exception e){
            log.error("远程调用库存服务失败,原因：{}",e);
        }
        Map<Long, Boolean> finalMap = map;
        List<SkuEsModule.Attrs> finalAttrs = attrs;
        List<SkuEsModule> collect = entities.stream().map(entity -> {
            //需要组装的数据
            SkuEsModule module = new SkuEsModule();
            BeanUtils.copyProperties(entity, module);
            module.setSkuPrice(entity.getPrice());
            module.setSkuImg(entity.getSkuDefaultImg());
            //hosStock,hotScore

            if (CollectionUtils.isEmpty(finalMap)) {
                module.setHasStock(true);
            } else {
                module.setHasStock(finalMap.get(entity.getSkuId()));
            }

            //热度评分，刚上架我们默认给0
            module.setHotScore(0l);

            //3.查询品牌和分类的名字信息
            BrandEntity brand = brandService.getById(module.getBrandId());
            module.setBrandName(brand.getName());
            module.setBrandImg(brand.getLogo());

            CategoryEntity categoryEntity = categoryService.getById(module.getCatalogId());
            module.setCatalogId(categoryEntity.getCatId());
            module.setCatalogName(categoryEntity.getName());

            //查询sku所有可以被检索的规格属性
            module.setAttrs(finalAttrs);


            return module;
        }).collect(Collectors.toList());

        //5.将数据发送给检索服务 jinggumail-search
        R r = searchFeignService.productStatusUp(collect);
        if(r.getCode() == 0){
            baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
        }else{
          //远程调用失败，接口幂等性
        }


    }

    @Override
    public List<SkuItemVo.SpuAttrGroupInfo> selectSkuAttrGroupAndAttrBySku(Long catalogId, Long spuId) {
       return  this.baseMapper.selectSkuAttrGroupAndAttrBySku(catalogId,spuId);
    }

    @Override
    public SpuInfoEntity getSpuInfoBySkuId(String skuId) {
        SkuInfoEntity entity = skuInfoService.getById(skuId);
        SpuInfoEntity byId = getById(entity.getSpuId());
        return byId;
    }

}